Dicas Reparação HITACHI
Modelo - Chassis
Pesquisa: HITACHI Enviar Dica Resolvida
Resultados 1003
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Hitachi | G7PSL | Field jitter when hot | D601 1N4002 | ||
| Hitachi | G7PSL | Field chip has short life | Add 2 x 33v zeners in series - cathodes to pin 2 IC601 & anode to chassis - if this has no effect , could be crt flashover | ||
| Hitachi | G7PSL | Excess bright raster | RGB colls low volts - Q801 BC558B leaky (on main pcb) | ||
| Hitachi | G7PS2 | When tried to tune in the correct display appeared | The 33V tuning voltage supply was missing because R044 ( 12k ) was open-circuit. | ||
| Hitachi | G7PS2 | STANDBY ONLY | IC703 DRY JOINTS | ||
| Hitachi | G7PS2 | Shuts down aft 20 secs with buzz | In prot mode (shutdown volts at pin 20 TA8690AN) ZD701 3v9 zener leaky | ||
| Hitachi | G7PS2 | OSD NOT CLEARING | DOO7 HIGH | ||
| Hitachi | G7PS2 | No signals Tuning bar moves as if tuning but no va | Check R044 ( 12K ) | ||
| Hitachi | G7PS2 | No OSD set works ok | Replace HD401314RS | ||
| Hitachi | G7PS2 | INT. FLAG WAVING AFTER TELETEXT USE | IC2002 ( TEXT PCB ) | ||
| Hitachi | G7PS2 | INT DEAD | 39K - 82K POWER SUPP - ALSO D/J on reg 12V (EDGE OF PCB BY LOPT. ) | ||
| Hitachi | G7PS2 | INT DEAD | ZD901 6v8 zener | ||
| Hitachi | G7PS2 | HIGH EHT WITH SET TRIPPING TO SBY INSTANTLY | R909 39K HIGH also replace ZD903 | ||
| Hitachi | G7PS2 | Fails to start | R902 & R903 ( 82K ) | ||
| Hitachi | G7PS2 | Dead. | 112v rail high R716 ( 51k ) o/c. |